General description
The 74HCT9046A is a high-speed Si-gate CMOS device. It is specified in compliance with JEDEC standard no 7A.

FEATUREs
■ Operation power supply voltage range from 4.5 V to 5.5 V
■ Low power consumption
■ Inhibit control for ON/OFF keying and for low standby power consumption
■ center frequency up to 17 MHz (typical) at VCC = 5.5 V
■ Choice of two phase comparators:
   ♦ PC1: EXCLUSIVE-OR
   ♦ PC2: Edge-triggered JK flip-flop
■ No dead zone of PC2
■ Charge pump output on PC2, whose current is set by an external resistor Rbias
■ center frequency tolerance ±10 %
■ Excellent Voltage Controlled Oscillator (VCO) linearity
■ Low frequency drift with supply voltage and temperature variations
■ On-chip band gap reference
■ Glitch free operation of VCO, even at very low frequencies
■ Zero voltage offset due to operational amplifier buffering
■ ESD protection:
   ♦ HBM JESD22-A114F exceeds 2000 V
   ♦ MM JESD22-A115-A exceeds 200 V
  
Applications
■ FM modulation and demodulation where a small center frequency tolerance is essential
■ Frequency synthesis and multiplication where a low jitter is required (e.g. video picture-in-picture)
■ Frequency discrimination
■ Tone decoding
■ Data synchronization and conditioning
■ Voltage-to-frequency conversion
■ Motor-speed control